Question # 1

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2

-2

none of these

In R the number of identity element w.r.t '+' is

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One

Two

Three

Four

1/3 is ______

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A prime number

An integer

A rational number

An irrational number

A statement which is either true or false is called

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Induction

Deduction

Propositicon

Logic

A function from A to B is denoted by

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f: A→ B

f: B → A

f: → A :B

f → A→ B

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0

U

u/2

log u

In the interval 0≤ x ≤ π, the sine is

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Not a function

Not defined

Infinity

Not one-to-one function

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Proper fraction

Improper fraction

Rational fraction

None of these

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A function in which the variable appears as exponent is called:

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An identity function

A logarithmic function

an exponential function

A rational function

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Y = -x log x -x + c

Y = x log x + x

Y = x log x - x + c

None of these

{x|x∈R∧x≠x} is a

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Infinite set

Null set

Finite set

None of these

cos(π/2-θ) = ________;

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cosθ

sinθ

-cosθ

-sinθ

The property used in -3 <-2 ⇒0 <1

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Commutative property

Additive property of inequality

Additive inverse

Additive identity

Tan^-11/x = ______

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sin x

sec^-1X

cot^-1X

None of these

Which of the following is a scalar.

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electric field

magnetic field

weight

mass

The value of sin²20° + sin²70° is equal to

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1

2

-1

1/2

If all members of a sequence are real numbers then it is called a

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Series

Function

Real sequence

Range

Every prime number is also

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Rational number

Even number

Irrational number

Multiple of two numbers

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b = c

a = c

b = 0

n! > 2ⁿ-1 is true when

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n≤ 3

n≤ 6

n≥ 4

n≤ 6

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A positive integer

A negative integer

A natural number

An irrational number

If there are m rows and n columns in a matrix then its order is

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m x n

m x m

n x n

n x m

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Name the property used in 1000 x 1 = 1000

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additive inverse

multiplicative inverse

additive identity

multiplicative identity

4^1+x+ 4^1-x= 10 is called

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Reciprocal equation

Exponential equation

Radical equation

None of these

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n!

0!

1

None of these

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none of these

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x-axis

y-axis

z-axis

None of these

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(x3-1/x)12

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295

495

395

722

θ and 2kπ+θ are the ________ angles

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Quadrantal angles

Coterminal

Allied

None

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